Here are some full  papers preprints available using PDF, and some Matlab code , as well as some other stuff.

Selected Full Papers

 

Yechiam, E., Rakow, T., and Newell, B.R. (in press). Super-underweighting of rare events with repeated descriptive summaries. Journal of Behavioral Decision Making.

Agay, N., Yechiam, E., Carmel, Z., and Levkovitz, Y. (2014). Methylphenidate enhances cognitive performance in adults with poor baseline capacities regardless of Attention-Deficit/Hyperactivity Disorder diagnosis. Journal of Clinical Psychopharmacology, 34, 261-265.

Telpaz, A., and Yechiam, E. (2014). Contrasting losses and gains increases the predictability of behavior by frontal EEG asymmetry. Frontiers in Behavioral Neuroscience, 8, 149.

Yechiam, E., Telpaz, A., and Hochman, G. (2014). The complaint bias in subjective evaluations of incentives. Decision, 1, 147-160.

Ert, E., Yechiam, E., and Arshavsky, O. (2013). Smokersí decision making: More than mere risk taking. PLOS ONE, 8(7), e68064.

Yechiam, E., & Hochman, G. (2013). Losses as modulators of attention: Review and analysis of the unique effects of losses over gains. Psychological Bulletin, 139, 497-518.

Yechiam E., and Hochman, G. (2013). Loss-aversion or loss-attention: The impact of losses on cognitive performance. Cognitive Psychology, 66, 212-231.

Yechiam, E., and Telpaz, A. (2013). Losses induce consistency in risk taking even without loss aversion. Journal of Behavioral Decision Making, 26, 31-40.

Yechiam, E., and Aharon, I (2012; Eds.). The Neuroscience and Psychophysiology of Experience-Based Decisions. Special Topic in Frontiers in Neuroscience and Frontiers in Psychology.

Yechiam, E., and Telpaz, A. (2011). To take risk is to face loss: A tonic pupillometry study. Frontiers in Psychology, 2, 344

Koritzky, G., and Yechiam, E. (2011). On the value of non-removable reminders for behavioral modification: An application to nail-biting (Onychophagia). Behavior Modification, 35, 511-530

Yechiam, E., & Ert, E. (2011). Risk attitude in decision making: In search of trait-like constructs. Topics in Cognitive Science, 3, 166-186.

Hochman, G., & Yechiam, E. (2011). Loss aversion in the eye and in the heart: The Autonomic Nervous Systemís responses to losses Journal of Behavioral Decision Making, 24, 140-156.

Yechiam, E., & Rakow (2011). The effect of foregone payoffs on choices from experience: An individual level modeling analysis. Experimental Psychology, 13, 1-13.  

Hochman, G., Yechiam, E., and Bechara, A. (2010). Recency gets larger as lesions move from anterior to posterior locations within the ventromedial prefrontal cortex. Behavioural Brain Research, 213, 27-34.

Agai, N., Yechiam, E., Carmel, Z., and Levkovitz, Y. (2010). Non-specific effects of Methylphenidate (Ritalin) on cognitive ability and decision-making of ADHD and healthy adults. Psychopharmacology, 210, 511-519.

Ert, E., and Yechiam, E. (2010). Consistent constructs in individualsí risk taking in decisions from experience. Acta Psychologica, 134, 225-232.

Koritzky, G., and Yechiam E. (2010). On the robustness of description and experience based decision tasks to social desirability. Journal of Behavioral Decision Making, 23, 83-99.

Yechiam, E., Arshavski, O., Shamay-Tsoory, S.G., Yaniv, S., and Aharon, J. (2010). Adapted to explore: Reinforcement learning in Autistic Spectrum ConditionsBrain and Cognition, 72, 317-324.

Barron, G., and Yechiam, E. (2009). The coexistence of overestimation and underweighting of rare events and the contingent recency effect. Judgment and Decision Making, 4, 447-460.

Yechiam, E., Druyan, M., and Ert, E. (2008). The effect of observing others on risk taking in decisions from experience. Judgment and Decision Making, 3, 493-500.

Yechiam, E., and Busemeyer, J.R. (2008). Evaluating generalizability and parameter consistency in learning models. Games and Economic Behavior, 63, 370-394.

Erev, I., Ert., E & Yechiam, E. (2008). Loss aversion, diminishing sensitivity, and the effect of experience on repeated decisions. Journal of Behavioral Decision Making, 21, 575-597.

Yechiam, E., Kanz, J., Bechara, A., Stout, J.C., Busemeyer, J.R., Altmaier, E.M., and Paulsen, J. (2008). Neurocognitive deficits related to poor decision-making in people behind bars. Psychonomic Bulletin and Review, 15, 44-51.

Sagi, I., and Yechiam, E. (2008). Amusing titles in scientific journals and article citation. Journal of Information Science, 34, 680-687.

Yechiam, E., and Ert, E. (2007). Evaluating the reliance on past choices in adaptive learning models. Journal of Mathematical Psychology, 51, 75-84.

Yechiam, E., Goodnight, J., Bates, J.E., Busemeyer, J.R., Dodge, K.A., Pettit, G.S., and Newman, J.P. (2006). A formal cognitive model of the Go/No-Go discrimination task: Evaluation and implications. Psychological Assessment, 18, 239-249.  

Yechiam, E., and Busemeyer, J.R. (2006). The effect of foregone payoffs on underweighting small probability events. Journal of Behavioral Decision Making, 19, 1-16.

Grosskopf, B., Erev, I., and Yechiam, E. (2006). Foregone with the wind: Indirect payoff information and its implications for choice. International Journal of Game Theory, 34,  285-302.

Yechiam, E., Busemeyer, J.R, Stout, J.C, and Bechara, A. (2005) Using cognitive models to map relations between neuropsychological disorders and human decision making deficits. Psychological Science, 16, 973-978.

Yechiam, E., Stout, J.C., Busemeyer, J.R., Rock, S.L., and Finn, P.R. (2005) Individual differences in the response to forgone payoffs: An examination of high functioning drug abusers. Journal of Behavioral Decision Making, 18, 97-110.

Yechiam, E., Barron, G., and Erev. I. (2005). The role of personal experience in contributing to different patterns of response to rare terrorist attacks. Journal of Conflict Resolution, 49, 430-439.

Yechiam. E., and Busemeyer, J.R. (2005). Comparison of basic assumptions embedded in learning models for experience based decision-making. Psychonomic Bulletin and Review, 12, 387-402.

Yechiam, E., Erev, I, and Parush, A. (2004). Easy first steps and their implication to the use of a mouse-based and a script-based strategy. Journal of Experimental Psychology: Applied, 10, 89-96.

Yechiam, E., Erev, I., Yehene, V., and Gopher, D. (2004). Melioration and the transition from touch-typing training to everyday use. Human Factors, 45, 671-684.

Yechiam, E., Erev, I., and Gopher, D. (2001). On the potential value and limitations of emphasis change and other exploration-enhancing training methods. Journal of Experimental Psychology: Applied, 7, 277-285.

Matlab code

Revisions of the Expectancy Valence model

Revised Expectancy Valence model with trial-independent choice consistency  (Yechiam & Ert, 2007; Yechiam, 2007)

Equal Payoff Series Optimization , a method for estimating parameters based on responses to payoffs only; (EPSO;  Yechiam & Ert, 2007).

Cue Valence model for a Go/No Go task

Cue Dependent reinforcement learning model for the Go/no Go (or passive avoidance) task (CD; Yechiam, Goodnight, Bates, Busemeyer, Dodge, Pettit & Newman, 2006).

Expectancy Valence model for the Iowa Gambling task

Expectancy-Valence model (EV; Busemeyer & Stout, 2002; see also Yechiam & Busemeyer, 2005; Yechiam, Veinott, Busemeyer and Stout, 2007)

Generalizations at the Individual Level (GIL) using the estimated parameter of the EV model (Yechiam & Busemeyer, 2007)

Simulation of multiple steps ahead using the estimated parameters of the Expectancy Valence model   (Yechiam Veinott et al., 2007)

Binary Expectancy-Valence model (BEV; Yechiam & Busemeyer, 2005)

Blocked Expectancy-Valence (model parameters for each of four blocks of trials)

Decision Field model

Decision Field theory (Busemeyer & Townsend, 1992; Townsend & Busemeyer, 1995)
 

Games

War of Kingdoms, an invented card game. (press the link to see a description of the game).

The game is generously hosted by:


Abstracts, presentations,  and clippings

Yechiam, E., and Hochman, G. (2012) " Losses as modulators of attention"  A Youtube movie

Hochman, G., and Yechiam, E  (2011) was featured in CBS news. Goto Story

Yechiam, E and Barron, G (2004) was featured in Harvard Business School Working Knowledge series.
Goto Story

Barron, G. and Yechiam, E. (2002) was featured in New Scientist Magazine, 18 July 02, p. 9. Goto story

 



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